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This flashlight's brightness defies its small size. The Maxbright LED puts out 100 lumens of brilliant light that shines up to 75 meters. An O-ring seal keeps water out to a depth of one meter. Rugged plastic housing with a rubber overmold that's easy to grip. Runs on four-AAA batteries, included. Imported. Dimensions 5½" x 1½". Weight 4.3 oz.